512 HEMIPTERA. 



3. CLAVIGRALLA Acanthion, n. s. 



C. pallide ferrugineo-fusca, punctata; corio albido, apice nigro, 

 nervis pallidis ; capite antice, vertice, thoracis disco, abdominis 

 marginibus antennarumque articulo basali, spinosis. ? . 

 Long. lin. 3%. 



Pale ferruginous brown. Head with three rows of small whitish 

 spines on the forehead, a single row of larger ones along the 

 vertex, and another on the outside of each antenniferous tuber- 

 cle. Thorax rather thickly and strongly punctured with brown, 

 with several whitish spines on the anterior portion of the disc, 

 the lateral angles acutely spinous, and a fringe of spines on the 

 lateral margins ; posterior margin bilobate. Scutellum elevated 

 and covered with spinous tubercles, with the apex whitish. Co- 

 riaceous portion of the elytra pale testaceous, punctured with 

 black, with a triangular black spot at the apex ; nervures white ; 

 membrane semitransparent, whitish, with the nervures tinged 

 with brown. Margins of the abdomen very prominent, with a 

 strong acute spine on each segment, and the edges between these 

 spines finely denticulated ; testaceous, with a broad brown band 

 on the third and fourth segments, and a narrow one on the suture 

 between the fifth and sixth. Abdomen beneath testaceous, irro- 

 rated with brown, with the base blackish, and a short, oblique, 

 black line on each side of each segment within the margin ; the 

 lateral margins of the fifth and sixth segments testaceous. Breast 

 testaceous, thickly and coarsely punctured with brown, with an 

 irregular interrupted yellow line down each side. Legs pale tes- 

 taceous; thighs mottled with brown, spinous both above and 

 below ; the posterior pair with two long spines beneath near the 

 apex ; tibia? brownish at base and apex ; tarsi brownish at the 

 apex. Rostrum brownish testaceous, with the apex brown. An- 

 tennae pale testaceous, with the apical joint brownish ; the basal 

 joint spinous. 



a. Para. From Messrs. Wallace and Bates' Collection. 



4. CLAVIGRALLA Hystrix, n. s. 



C. obscure griseo-fusca ; humeris, thoracis abdominisque lateri- 

 bus valde spinosis ; tibiis albido biannulatis. $ . 

 Long. lin. 3J. 



Greyish brown, obscure. Head obtusely spinous on each side in 

 front. Thorax with the lateral angles produced into long acute 

 spines, which are black at the apex, and furnished near the base with 

 a smaller spine ; each antero-lateral margin with a strong, black, 

 upright spine about the middle ; postero-lateral margins denticu- 

 lated; the disc with a few scattered tubercles. Scutellum con- 

 siderably elevated. Coriaceous portion of the elytra dark brown, 



